20 Natural Earth & Mineral Pigments – Create your own non-toxic, archival paint with 20 pure pigments. No fillers, heavy metals, additives, or petrochemicals. Sustainably sourced and eco-friendly Versatile DIY Paint Making – Mix with binders to create oil, watercolor, gouache, egg tempera, and ink. Each pigment has unique absorption and tinting properties for customized consistency Safe & Non-Toxic – Made in the USA, free from nuts, dairy, gluten, GMO, and petroleum. Avoid inhaling dust; use a mask when mixing. Once mixed with liquid, pigments are completely safe to use Archival & Lightfast – Earth pigments are the most permanent and lightfast, lasting thousands of years without fading. No stabilizers or preservatives interfere with their purity and longevity Sustainably Packaged – Packaged in a 100% post-consumer recycled box with compostable pouches. Sourced from small quarries worldwide, including the USA, France, and Italy Natural Earth & Mineral Pigments are beautifully archival, eco-friendly, and sustainably-harvested from around the world. They contain no added fillers, additives, preservatives, or stabilizers. Each box contains all 20 of our earth & mineral pigments (2 tsp per color). Each natural pigment has a different set of characteristics, such as liquid absorption, volume, tinting strength, and granulation. Because of these characteristics, they each require a different volume of binder to create the desired paint consistency.